Brass Knuckle’s Proprietary Coatings Create a New World Standard for Anti-fog Lenses

Anti-fog LensesLenses can fog in almost every application. Going from cool to warm air. Going from outdoor to indoor environments. In high humidity. During strenuous work that causes perspiration. Even warm breath in a cool room or the heat rising from a motor can cause lenses to fog. And fog means double trouble. First, fog reduces visibility. That’s a hazard in itself. Second, fogged-up lenses make workers want to remove their safety glasses. No eye protection equals “out of compliance.” And, most importantly, in those vulnerable seconds or minutes, eyes are exposed to potential hazards where eye injuries can occur. And that’s why Brass Knuckle’s proprietary coatings create a new world standard for anti-fog lenses.

Before a U.S. anti-fog standard existed, one seller of worker protection, Brass Knuckle, decided it was important to measure its eye protection products by a standard. The company began with EN 166/168. This is the European standard and the most stringent anti-fog standard in the world at the time. Then Brass Knuckle went beyond it. Voluntarily.

The result is Brass Knuckle’s proprietary anti-fog lens coating, which uses a groundbreaking technology that delivers better, longer-lasting fog-free protection than competing products. It was then, and remains, the toughest anti-fog standard in the world, exceeding ANSI and EN standards. The result is two coatings, BK-Anti-FOG and BK-Anti-FOG+, that provide extreme anti-fog performance and improve worker safety and productivity.

More about BK-Anti-Fog

Brass Knuckle BK-Anti-FOG is their original proprietary anti-fog coating. It offers excellent performance and also a long-lasting, fog-free view under even the most demanding hot and humid conditions. Washable and durable, BK-Anti-FOG formulas allow lenses to resist fog longer than competitors’ anti-fog treatments, and that extra time is what is needed for lenses to come into balance with temperature fluctuations, the principal cause of lens fogging.

Brass Knuckle BK-Anti-FOG+ is their proprietary premium anti-fog coating. This coating delivers anti-fog protection that exceeds the EN standard by 4400 percent — or 44x the best standard in the world! Where competitive anti-fog coatings protect against fogging for two minutes, best-in-class BK-Anti-FOG+ protection lasts more than six minutes when tested under the EN standard. In the world of eye protection, it’s as good as anti-fog protection gets.

“We could apply any manner of anti-fog chemical to the lens and say we have anti-fog protection. Instead, we developed our own higher anti-fog standard and then hold our products to that standard,” said Jeff Cullman, vice president of Brass Knuckle. “We offer extreme protection against fogging, a huge step forward for ensuring compliance.”

Both BK-Anti-FOG and BK-Anti-FOG+ are available on a wide variety of Brass Knuckle protective eyewear, serving various fits and functions. For further information, visit

About Brass Knuckle

Brass Knuckle grew out of a partnership with one of North America’s oldest dedicated safety product supply companies. From product inception to quality control, they manage every aspect of product development to ensure ergonomics, protection and cost efficiency, while maximizing compliance and safety. Brass Knuckle is a member of the Volk Enterprises family of companies. The company’s international strategic alliances with documented professional supply partners allow for a full range of safety products, programs and services to clients across the globe. For more information, contact Brass Knuckle Safety Products visit


Got more questions about your project?

  • Drop files here or
    Accepted file types: jpeg, jpg, gif, png, pdf, Max. file size: 50 MB.
      Allowed formats: jpeg, jpg, gif, png, pdf
    • How would you like us to respond?

    • Note: Some questions will be published anonymously with their answers at the end of this story to share with other readers.